* Comes as a WordPress Plugin
* Is easy to install
* Has a user interface where you can customize all parameters like change frequencies, priorities etc.
* Generates a static XML file in your blog directory (Filename is customizeable)
* Generates a sitemap for Homepage, Posts, Categories and Archive pages
* Calculates a priority for each post, based on the number of comments (You can also turn this off)
* The XML file gets automatically rebuilt if you change/edit/create/publish a post